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SUPPLEMENTARY CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2017
Supplementary Cash Flow Information Details 1  
Schedule of Supplementary Cash Flow Information

    2017     2016     2015  
Net change in non-cash working capital items:                  
Accounts payable and accrued liabilities   $ (136,244 )   $ 708,055     $ (401,754 )
Inventory     (2,564,647 )     (40,743 )     (234,031 )
Amounts due to related parties     1,189       42,007       (34,034 )
Current taxes recoverable     (2,828,570 )     (1,323,465 )     (776,231 )
Amounts receivable     (1,584,985 )     (354,697 )     (480,960 )
Prepaid expenses and other assets     (1,671,939 )     (114,703 )     (150,016 )
Current taxes payable     (291,907 )     (14,524 )     (24,247 )
    $ (9,077,103 )   $ (1,098,070 )   $ (2,101,273 )

 

    2017     2016     2015  
Interest paid   $ 444,947     $ 470,736     $ 126,449  
Taxes paid   $ 5,764,634     $ 3,135,626     $ 4,574,614  
Equipment acquired under finance leases and equipment loans   $ 1,227,901     $ 3,452,257     $ 2,289,128